Alvin Allen
5Patents
5h-index
6Co-inventors
56Inventor score
Filing activity: Mar 11, 1974 → Dec 23, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4075031A | TiO.sub.2 Pigment coated with dense silica and porous alumina/silica | Chemistry; Metallurgy | 37 | Expired |
| US5922120A | Process for producing coated TiO.sub.2 pigment using cooxidation to provide hydrous oxide coatings | Chemistry; Metallurgy | 36 | Expired |
| US5201949A | TiO.sub.2 manufacturing process | Chemistry; Metallurgy | 24 | Expired |
| US3978191A | Process and apparatus for preparing double edge on flexible sheet material | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5728205A | Process for the addition of boron in a TiO.sub.2 manufacturing process | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.